Psychopathology in volunteers for headache research: Initial versus later respondentshttps://www.upress.umn.edu/test-division/bibliography/1980-1989/1986/mcanulty_psychopathology_1986https://www.upress.umn.edu/logo.png
David P McAnulty and et al
(1986)
Psychopathology in volunteers for headache research: Initial versus later respondents